var express = require('express');
var path = require('path');
// var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var session = require('express-session');
var bodyParser = require('body-parser');
let MemcachedStore = require('connect-memcached')(session);
var routes = require('./routes/index');

let  config  = require('./config');

let memcacheConfig  =config.memcacheConfig;

var app = express();

//连接mongodb
require('./service/mongodb-service');
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'html');
app.engine('.html',require('ejs').__express);

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
// app.use(bodyParser.json());
app.use(bodyParser.json({limit: '10mb'}));
app.use(bodyParser.urlencoded({limit: '10mb', extended: false }));
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(session({
  resave: false,
  name: 'tpl_manage',
  secret: 'template',
  saveUninitialized:true,
  cookie: { maxAge: 2 * 60 * 1000 * 60},
  store: new MemcachedStore(Object.assign({},{
      hosts: memcacheConfig.memcahceServer.split(" "),
      prefix:"tpl_manage_session"
    },memcacheConfig))
}));
app.use(express.static(path.join(__dirname, 'public')));

app.use('/', routes);
app.use('/tpl', require('./routes/tpl-manager'));
app.use('/resources', require('./routes/resources'));

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// error handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
  app.use(function(err, req, res, next) {
    res.status(err.status || 500);
    res.render('error', {
      message: err.message,
      error: err
    });
  });
}

// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
  res.status(err.status || 500);
  res.render('error', {
    message: err.message,
    error: {}
  });
});


module.exports = app;
